<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>{% block title %}{% endblock %}</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@4.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <div class="content container pt-5">
        {% block content %}
        {% endblock %}
    </div>
</body>
</html>